Outdoor Board LED1 (green) blinks twice and LED2 (red) blinks three times alternately - Error code is not defined

What does E8 mean?

During startup or operation, the outdoor unit's LED1 (green) blinks twice and LED2 (red) blinks three times alternately, indicating that an undefined error code has been detected.

• An unspecified error condition has occurred.
• Internal system fault that does not map to a standard error code.

Click steps to track your progress.

1. 1

   Re-check the error by turning off the main power supply, waiting a few moments, and then turning it back on.

2. 2

   Check for any other visual or audible signals that might provide more information.

3. 3

   If the error persists and no other codes are present, contact a qualified service technician.